无色单斜晶体。易溶(rong)于(yu)水,溶(rong)于(yu)甲醇(chun)、乙醇(chun)等(deng)有(you)机溶(rong)剂。用(yong)于(yu)照相术、印(yin)染、电(dian)镀等(deng)工业, 并用(yong)于(yu)制(zhi)特殊镜子。由氧化(hua)镉或硝酸(suan)镉与(yu)盐酸(suan)作(zuo)用(yong)而制(zhi)得。